package com.bing.e411;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class Service {
	private Lock lock = new ReentrantLock();

	public void methodA() {

		lock.lock();
		for (int i = 0; i < 5; i++) {
			System.out.println("Thread Name： " + Thread.currentThread().getName() + (" " + (i + 1)));
		}
		lock.unlock();
	}

}
